CHEMICAL REACTION ENGINEERING QUIZ

Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals

All of these

Atlers the position of equilibrium in a reversible reaction

Initiates a chemical reaction and is a catalyst by itself

Achieving cent percent conversion of reactants into products

Large scale gaseous phase reactions

Obtaining uniform polymerisation products in highly exothermic reactions

Liquid phase reactions

Triple

Double

None of these

Equal to

None of these

Chemical reaction

Gas film

Pore diffusion

Batch

Tubular flow

Stirred tank

Fixed bed

Solid density

All of these

Porosity

Pore volume

The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

The unit of space velocity is (time)⁻¹

The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor

None of these

High CA, low CB

Low CA, high CB

Low CA, low CB

High CA, high CB

Fluidised bed reactor followed by a fixed

Fixed bed reactor followed by a fluidised

Fixed

Fluidised

0.03 min⁻¹

0.03 sec⁻¹

0.03 hr⁻¹

0.05 min⁻¹